jpeg compression can result in this type of transclucent bubble magnifying bubble mirage... but this one appears displays a boundary and internal definition that make one wonder. Look above barnacle ...

showing transition from "rain-drop on sand invisible" appearance, lower right, to puffed-up opaque-white, middle, to pancake-floppy, top left. two more raindrop-splats continue to the lower right (mak...

herd of scale critters, this ones seems to be magnifying the under-lying surface, note width and brightness of main lines visible underneath, the nearest/lowest-most portion of the "scale-critter" see...

another scale, just to right of the prior see-tbhru scale, this ones fully opaque and displays a clear hexagonal form... but more importantly... displays an obviouse flexibility in its conforming to t...

or... the long skinny elliptical diatom (lower part of white hexagon, center of image) could be above the hexagon too I suppose... either way, dessms odd.. not the darker extension to the right of the...

Area is lower left slope down from barnacle mouth. The oval diatoms at image center seem to be transparent. Perhaps the gold coating was insufficient here? My limited understanding of electron imaging...

See the roundish smooth-blurry raindrop-splatter-like areas on the sharp-clear sand-like surface? The sandlike surface is a wall, on the top ridge are three oval diatoms, not the outline of the two or...

very center of image, snakes up from "below", spans dark gap from small white chitin? shell "rock" to larger greyish rock chip, and lays upon the grey angular chip. There is an odd darkish "covering"...

closer image to prior, shows mystery hairlike hooks coming out of, growing on, or being abraded off of, the smooth area. Noting the general similarity in size of most such hairs in other areas, and th...